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backend/venv/Lib/site-packages/email_validator/exceptions.py

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+class EmailNotValidError(ValueError):
+    """Parent class of all exceptions raised by this module."""
+    pass
+
+
+class EmailSyntaxError(EmailNotValidError):
+    """Exception raised when an email address fails validation because of its form."""
+    pass
+
+
+class EmailUndeliverableError(EmailNotValidError):
+    """Exception raised when an email address fails validation because its domain name does not appear deliverable."""
+    pass